Pith Number

pith:FA2ZOP77

pith:2003:FA2ZOP77SQKHWZPIBEA7U7TEDO

not attested not anchored not stored refs pending

Dynamics of Crystal Formation in the Greenland NorthGRIP Ice Core

Anders Svensson (The Niels Bohr Institute, Denmark.), Dorthe Dahl-Jensen, Jesper Ferkinghoff-Borg, Joachim Mathiesen, Mogens H. Jensen, Mogens Levinsen, Poul Olesen

arxiv:physics/0310087 v2 · 2003-10-17 · physics.geo-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA2ZOP77SQKHWZPIBEA7U7TEDO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:38:08.653087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2835973fff94147b65e80901fa7e641b841877a808f4423eba5cff0d0faf8c7a

Aliases

arxiv: physics/0310087 · arxiv_version: physics/0310087v2 · doi: 10.48550/arxiv.physics/0310087 · pith_short_12: FA2ZOP77SQKH · pith_short_16: FA2ZOP77SQKHWZPI · pith_short_8: FA2ZOP77

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FA2ZOP77SQKHWZPIBEA7U7TEDO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2835973fff94147b65e80901fa7e641b841877a808f4423eba5cff0d0faf8c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "086d4479828437399b3e40b1a27e7b44785c5a3ba488cf2ca26853354306a65a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2003-10-17T12:57:32Z",
    "title_canon_sha256": "5b7051fb3baf5de4dbf6082bf5e9c56755c5a6b0a930321b56e598d156d67897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0310087",
    "kind": "arxiv",
    "version": 2
  }
}